A cruciform biaxial test specimen was designed and seven biaxial tensile tests were conducted on 2219-T87 aluminum alloy. An elastic-plastic finite element analysis was used to simulate each tests and predict the yield stresses. The elastic-plastic finite analysis accurately simulated the measured load-strain behavior for each test. The yield stresses predicted by the finite element analyses indicated that the yield behavior of the 2219-T87 aluminum alloy agrees with the von Mises yield criterion. Dawicke, D. S. and Pollock, W. D. Langley Research Center NAS1-96014; RTOP 260-30-15-50...
Biaxial Testing of 2219-T87 Aluminum Alloy Using Cruciform Specimens
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